The Britannica Dictionary
mobile search
Home
Ask the Editor
Word of the Day
Quizzes
Core Vocabulary
Browse the Dictionary
×
Britannica Homepage
Ask the Editor
Word of the Day
Quizzes
Core Vocabulary
Browse the Dictionary
The Britannica Dictionary
brontosaurus
1 ENTRIES FOUND:
brontosaurus
(noun)
brontosaurus
/ˌbrɑːntə
ˈ
sorəs/
noun
plural
brontosauruses
brontosaurus
/ˌbrɑːntə
ˈ
sorəs/
noun
plural
brontosauruses
Britannica Dictionary definition of BRONTOSAURUS
[
count
]
:
a very large dinosaur that had a long neck and tail
ASK THE EDITOR
In what ways is the word 'fish' used as singular and plural?
See the answer »
QUIZZES
Vocabulary Quiz
Test your word power
Take the Quiz »
Name That Thing
Take our visual quiz
Test Your Knowledge »
WORD OF THE DAY
egotist
:
a person who has the feeling or belief that they are better, more important, more talented, etc., than other people
Learn More »